Collapsible structure



FIG. 1 is a perspective view of a first embodiment of the collapsiblestructure;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view, the rear elevation view beingidentical;

FIG. 5 is a right side elevation view, the left side elevation viewbeing identical;

FIG. 6 is a perspective view of a second embodiment of the collapsiblestructure;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front elevation view, the rear elevation view beingidentical; and,

FIG. 10 is a right side elevation view, the left side elevation viewbeing identical.

The ornamental design for a collapsible structure, as shown anddescribed.